Home / 13,038,753.18-17,992,578.63-7,237,078.50

Finding the Fourth Proportional to 13,038,753.18, 17,992,578.63 and 7,237,078.50

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Solution

The fourth proportional to 13,038,753.18, 17,992,578.63 and 7,237,078.50 is: 9,986,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,753.18 : 17,992,578.63 = 7,237,078.50 : x
  2. Step 2: Convert to fraction form
    13,038,753.18/17,992,578.63 = 7,237,078.50/x
  3. Step 3: Cross multiply
    13,038,753.18x = 17,992,578.63 × 7,237,078.50
  4. Step 4: Simplify right side
    13,038,753.18x = 130,213,703,962,732.45
  5. Step 5: Solve for x
    x = 130,213,703,962,732.45/13,038,753.18
  6. Step 6: Final answer
    x = 9,986,668.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.